Sintra weather in December (Lisbon Region, Portugal)

What should you pack for a trip to Sintra in December? Explore our page to find a thorough overview of this month's weather conditions.

Temperatures

In December, Sintra usually has moderate temperatures and moderate rainfall. Expect the temperatures during the day to hover around 16°C. At night, they will likely drop to about 12°C.

Precipitation

Sintra in December usually receives moderate rainfall, averaging around 90 mm for the month. Climate statistics over the past 30 years suggest around 14 days of rain.

Average sunshine

The city usually sees around 162 hours of sunlight, indicating a moderately sunny period.

If you're looking for dry conditions and comfortable temperatures, December may not be the ideal month to visit Sintra. June, July, August, September and October generally stand out with the best circumstances. While January, February, March and December tend to showcase less optimal conditions.

For an in-depth look at the yearly conditions, visit our specialized Sintra climate page with graphs.

 

Sintra, monthly averages in December

Min Temperature 12°C  

Max Temperature 16°C  

Chance of Rain 47%  

Precipitation 90 mm  

Rainy days 14 days  

Humidity 81% *  

Sunshine 162 hours *  

Percentage Sunshine 55% *  

* Data from: Cascais, Portugal (11 KM, 7 Miles).

Where to go in Portugal in December

Find out more about the weather in Portugal and which places have the best travel conditions in this month.

Weather conditions Weather

Temperatures

Precipitation

Map not visible? Whoops sorry! Please refresh the page.

Legend perfect weather pleasant tolerable unpleasant poor

Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C and 29°C and not too much precipitation (less than 90 mm a month).

So, what should you wear in this month?

For visitors traveling to Sintra, we recommend wearing layers. So maybe a skirt, t-shirt, shorts for during the day and jeans and a warm jacket for some days and evenings. Bring a rain jacket in case it rains during your stay. Plan on layering your clothes.

What To Do

We rated the following activities from 1 (least suitable) to 10 (best) to do.

Swimming

5/10

Cycling

6/10

Walking

6/10

Barbeque

6/10

Camping

8/10

Outdoor sports

9/10

Interested in more climate information?

This site provides you with all the information you need about the climate in Sintra.

Our site offers climate and forecast data for every country in the world. Are you going to Portugal? On this website you can find historical weather averages for many cities in Portugal. Not sure yet where to go? We now have a tool which recommends destinations that suit your ideal travel conditions. Find out where to go with our weather planner.